26863427 has 2 divisors, whose sum is σ = 26863428. Its totient is φ = 26863426.

The previous prime is 26863423. The next prime is 26863429. The reversal of 26863427 is 72436862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26863427 - 2² = 26863423 is a prime.

Together with 26863429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26863423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13431713 + 13431714.

It is an arithmetic number, because the mean of its divisors is an integer number (13431714).

Almost surely, 2^26863427 is an apocalyptic number.

26863427 is a deficient number, since it is larger than the sum of its proper divisors (1).

26863427 is an equidigital number, since it uses as much as digits as its factorization.

26863427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 26863427 is about 5182.9940189045. The cubic root of 26863427 is about 299.4933188031.

The spelling of 26863427 in words is "twenty-six million, eight hundred sixty-three thousand, four hundred twenty-seven".